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Yakugaku Zasshi : Journal of the Pharmaceutical Society of Japan|August 2, 2006
[Regulation of polyamine and cancer]Keijiro Samejima
Biological & Pharmaceutical Bulletin|March 27, 2002
Mass spectrometric separation and determination of N1,N12-diacetylspermine in the urine of cancer patientsMasaki Kobayashi, Keijiro Samejima, Kyoko Hiramatsu, et al.
Rapid Communications in Mass Spectrometry : RCM|March 6, 2008
Chemical derivatization of peptides containing phosphorylated serine/threonine for efficient ionization and quantification in matrix-assisted laser desorption/ionization time-of-flight mass spectrometryHiroki Tsumoto, Moonjin Ra, Keijiro Samejima, et al.
Analytical Biochemistry|August 3, 2020
ESI-Q-TOF-MS determination of polyamines and related enzyme activity for elucidating cellular polyamine metabolismShun-Suke Moriya, Keijiro Samejima, Hideharu Taira, et al.
Biological & Pharmaceutical Bulletin|July 5, 2003
Synthetic decarboxylated S-adenosyl-L-methionine as a substrate for aminopropyl transferasesHideki Dejima, Masaki Kobayashi, Hideki Takasaki, et al.
Endocrine-Related Cancer|April 8, 2009
Antizyme is necessary for conversion of pancreatic tumor cells into glucagon-producing differentiated cellsJun-ichiro Suzuki, Yasuko Murakami, Keijiro Samejima, et al.
Biological & Pharmaceutical Bulletin|March 2, 2013
Pentamines as substrate for human spermine oxidaseKoichi Takao, Akira Shirahata, Keijiro Samejima, et al.
Biological & Pharmaceutical Bulletin|December 7, 2007
Formation of spermidine or norspermidine from synthetic diacetylpolyamines by acetylpolyamine oxidase in cultured cellsKoichi Takao, Tomohiro Ozawa, Satoko Shibata, et al.
Biological & Pharmaceutical Bulletin|May 3, 2006
Inhibition of putrescine aminopropyltransferase influences rat liver regenerationMasaki Kobayashi, Koichi Takao, Yasuo Shiota, et al.
Analytical Biochemistry|February 25, 2010
Identification and determination of urinary acetylpolyamines in cancer patients by electrospray ionization and time-of-flight mass spectrometryKeijiro Samejima, Kyoko Hiramatsu, Keiichi Takahashi, et al.
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